CVE-2009-3374
The XPCVariant::VariantDataToJS function in the XPCOM implementation in Mozilla Firefox 3.0.x before 3.0.15 and 3.5.x before 3.5.4 does…
- 7.5HighCVSS base score
- 2.0%Exploitation in 30 daysEPSS · top 19% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
The XPCVariant::VariantDataToJS function in the XPCOM implementation in Mozilla Firefox 3.0.x before 3.0.15 and 3.5.x before 3.5.4 does not enforce intended restrictions on interaction between chrome privileged code and objects obtained from remote web sites, which allows remote attackers to execute arbitrary JavaScript with chrome privileges via unspecified method calls, related to "doubly-wrapped objects."
Timeline
ID reserved
By mitre
- 35 days later
· 35 days later
Published
- 15 years later
· 15 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
- EPSS (exploitation in 30 days)
- 2.0% · top 19% of all CVEs (10 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Affected products
n/a
- affected n/a
References
7
- oval:org.mitre.oval:def:9789 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- 272909 (opens in a new tab)vendor-advisoryx_refsource_SUNALERTx_transferred
- https://bugzilla.mozilla.org/show_bug.cgi?id=505988 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://www.mozilla.org/security/announce/2009/mfsa2009-57.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- oval:org.mitre.oval:def:6565 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- ADV-2009-3334 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- MDVSA-2009:294 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2009-3356 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2009-3374)Record last updated .